Japanese rock singer and actor Diamond Yukai spotted in Hawaii during the first week of 2014.

Diamond Yukai (ダイアモンド✡ユカイ Daiamondo Yukai, b. March 12, 1962) is a rock singer and actor. He was born Yutaka Tadokoro (田所豊 Tadokoro Yutaka) in Tanashi, Tokyo, Japan. He is the vocalist for the long term existing Japanese rock band Red Warriors. He has acted in the Hollywood films Tokyo Pop and Lost in Translation and is often seen on television variety shows.